/*  PPrint.java
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.liang.agile.io;

import java.util.Arrays;
import java.util.Collection;

import org.apache.commons.collections.CollectionUtils;

public class PPrint {

    public static String pformat(Collection<?> coll) {
        if (CollectionUtils.isEmpty(coll)) return "[]";
        StringBuilder result = new StringBuilder("[");
        for (Object elem : coll) {
            if (coll.size() != 1) {
                result.append("\n");
            }
            result.append(elem);
        }
        if (coll.size() != 1) {
            result.append("\n ");
        }
        result.append("]");
        return result.toString();
    }

    public static void pprint(Collection<?> coll) {
        System.out.println(pformat(coll));
    }

    public static void pprint(Object[] coll) {
        System.out.println(Arrays.asList(coll));
    }
}
